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Finding the Fourth Proportional to 10,654,288,321.80, 14,940,492,451.80 and 10,654,288,321.80

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Solution

The fourth proportional to 10,654,288,321.80, 14,940,492,451.80 and 10,654,288,321.80 is: 14,940,492,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654,288,321.80 : 14,940,492,451.80 = 10,654,288,321.80 : x
  2. Step 2: Convert to fraction form
    10,654,288,321.80/14,940,492,451.80 = 10,654,288,321.80/x
  3. Step 3: Cross multiply
    10,654,288,321.80x = 14,940,492,451.80 × 10,654,288,321.80
  4. Step 4: Simplify right side
    10,654,288,321.80x = 159,180,314,251,153,768,448
  5. Step 5: Solve for x
    x = 159,180,314,251,153,768,448/10,654,288,321.80
  6. Step 6: Final answer
    x = 14,940,492,451.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.